Defense Secretary Robert Gates Defense Secretary Robert Gates

The Chinese People's Liberation Army (PLA) Air Force puts on an air display to mark its 60th birthday in Beijing on November 15, 2009. (Those are not stealth prototypes.) STR/AFP/Getty Images hide caption

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STR/AFP/Getty Images

L-R: Defense Secretary Robert Gates, Vice President Biden, President Obama, Secretary of State Hillary Rodham Clinton, and Joint Chiefs Vice Chairman Gen. James Cartwright, during today's briefing. Pablo Martinez Monsivais/AP hide caption

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Pablo Martinez Monsivais/AP

Lt. Dan Choi, center, stands with other protesters after handcuffing themselves to the fence outside the White House in Washington, Monday, Nov. 15, 2010, during a protest for gay-rights. The group demanded that President Obama keep his promise to repeal 'Don't Ask, Don't Tell'. Pablo Martinez Monsivais/AP hide caption

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Pablo Martinez Monsivais/AP